King Kutter 7 Ft. Rear Tractor Blades are designed for value added performance. Uses include road grading and maintenance, landscaping, snow removal, cleaning livestock pens and much more. They are constructed of durable 1/4" thick by 14" high moldboard specially formed to roll dirt and prevent drag. The cutting edge is made of high carbon steel and is sharpened on both edges for double use. These rear blades feature a unique, reinforced, tubular frame for added strength. Each unit has five forward and five reverse angular adjustments for maximum efficiency.